Name Manufacturer / Model	Mount Bayonet	Type Category	Year Released	Focal mm	Aperture f/	Weight g
PentaxSmc Pentax 135-600mm F/6.7	PENTAX K	Telephoto	1975	135-600mm	f/6.7	4070g
PentaxSmc Pentax 135mm F/2.5	PENTAX K	Cinema	1975	135mm	f/2.5	470g
PentaxSmc Pentax 135mm F/3.5	PENTAX K	Cinema	1975	135mm	f/3.5	365g
PentaxSmc Pentax 15mm F/3.5	PENTAX K	Wide	1975	15mm	f/3.5	550g
PentaxSmc Pentax 18mm F/3.5	PENTAX K	Wide	1975	18mm	f/3.5	328g
PentaxSmc Pentax 200mm F/2.5	PENTAX K	Cinema	1977	200mm	f/2.5	1019g
PentaxSmc Pentax 24mm F/2.8	PENTAX K	Wide	1977	24mm	f/2.8	195g
PentaxSmc Pentax 24mm F/3.5	PENTAX K	Wide	1975	24mm	f/3.5	248g
PentaxSmc Pentax 28-50mm F/3.5-4.5	PENTAX K	Zoom	1975	28-50mm	f/3.5	315g
PentaxSmc Pentax 28mm F/3.5	PENTAX K	Wide	1976	28mm	f/3.5	271g
PentaxSmc Pentax 30mm F/2.8	PENTAX K	Wide	1975	30mm	f/2.8	215g
PentaxSmc Pentax 35mm F/3.5	PENTAX K	Wide	1975	35mm	f/3.5	165g
PentaxSmc Pentax 400mm F/5.6	PENTAX K	Telephoto	1975	400mm	f/5.6	1240g
PentaxSmc Pentax 500mm F/4.5	PENTAX K	Telephoto	1975	500mm	f/4.5	3330g
PentaxSmc Pentax 50mm F/1.2	PENTAX K	Portrait	1975	50mm	f/1.2	385g
PentaxSmc Pentax 50mm F/1.2 Gold	PENTAX K	Portrait	1981	50mm	f/1.2	—
PentaxSmc Pentax 50mm F/1.4	PENTAX K	Portrait	1975	50mm	f/1.4	266g
PentaxSmc Pentax 55mm F/1.8	PENTAX K	Portrait	1975	55mm	f/1.8	221g
PentaxSmc Pentax 80-200mm F/4.5	PENTAX K	Zoom	1977	80-200mm	f/4.5	555g
PentaxSmc Pentax 85-210mm F/3.5	PENTAX K	Telephoto	1976	85-210mm	f/3.5	1050g
PentaxSmc Pentax 85-210mm F/4.5	PENTAX K	Telephoto	1975	85-210mm	f/4.5	739g
PentaxSmc Pentax 85mm F/1.8	PENTAX K	Portrait	1975	85mm	f/1.8	331g
PentaxSmc Pentax 85mm F/2.2 Soft	PENTAX K	Telephoto	1985	85mm	f/2.2	235g
PentaxSmc Pentax Reflex 2000mm F/13.5	PENTAX K	Mirror	1978	2000mm	f/13.5	8000g
PentaxSmc Pentax Shift 28mm F/3.5	PENTAX K	Wide	1975	28mm	f/3.5	611g
PentaxSmc Pentax-A 100mm F/2.8	PENTAX K	Telephoto	1984	100mm	f/2.8	260g
PentaxSmc Pentax-A 100mm F/2.8 Macro	PENTAX K	Macro	1985	100mm	f/2.8	470g
PentaxSmc Pentax-A 135mm F/2.8	PENTAX K	Telephoto	1983	135mm	f/2.8	340g